Since 1987, DeVere Insulation has become Maryland's Largest Independent Insulation Contractor, serving Maryland, parts of Pennsylvania, West Virginia and the lower Eastern Shore. Our team specializes in insulation - residential, commercial, and retrofit applications.We are proud of the work we do and want you to expect only the best from us. At DeVere, we have 42 vehicles in our company fleet and 65 installers, ensuring we are available to service your project when you need us. You are guaranteed personal contact to our staff – no chance of getting stuck in voicemail. All of our trucks include a GPS tracking system so that we can stay in touch with our crews at all times and know exactly when our crew will arrive at your job.